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%I #5 Dec 18 2015 18:17:20
%S 40,75268,104262600,136299409488,124067667166856,71128243379500352,
%T 23850854381242354984,4508124761091573295616,489990612992276779046752,
%U 32691908016515801770317396,1444785628859783521673835616
%N Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 19
%H R. H. Hardin, <a href="/A159404/b159404.txt">Table of n, a(n) for n=3..19</a>
%K nonn
%O 3,1
%A _R. H. Hardin_ Apr 11 2009